Fermi-Dirac distribution function

Fermi-Dirac distribution function

[¦fer·mē di¦rak ‚dis·trə′byü·shən ‚fəŋk·shən]

(statistical mechanics)

A function specifying the probability that a member of an assembly of independent fermions, such as electrons in a semiconductor or metal, will occupy a certain energy state when thermal equilibrium exists.

FD] is the Fermi-Dirac distribution function, e is the electron charge, h is Planck's constant, [phi] is the electron phase difference propagating through the upper and lower arms of the ring, and [[absolute value of [[GAMMA].

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